The Hard Truth About Storing Fuel
https://www.theorganicprepper.com/storing-fuel/
... Based on my own experiences with modern gasoline not produced in my country (which once produced 1/3 of the fuel tank of every car up there in the US), let´s elaborate on why storing “for the future” may not be an option anymore. ...
Excellent article with many factoids about the chemistry and behaviour of gasoline.
I have a fair bit of gas stored with stabilizer for lawnmower, snowblower, and generator--just in case. Not a huge amount, but enough to run the gene a few hours a day for a week or so. Just basic natural disaster stuff, not TEOTWAWKI.
No problems--yet--but I'm going to rotate it quicker by running some of it through my car.
If we run out of gasoline or diesel the least of your problems will be maintaining a near lawn. Combat skills and archery might be more useful.